{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:P37A2BW4JHZTI4HAODO2NZ2RIT","short_pith_number":"pith:P37A2BW4","canonical_record":{"source":{"id":"2502.03465","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2025-02-05T18:59:52Z","cross_cats_sorted":["cs.AI","cs.GR","cs.MM"],"title_canon_sha256":"bc48c99a428d6794a16fde7e35bfef62e2aa88d520bce5e3ec167e324486ec8f","abstract_canon_sha256":"a8c5cef337467fedf1f85ebeaf17a92b371b09d4db3fd2bb93591e2bfb79f0bc"},"schema_version":"1.0"},"canonical_sha256":"7efe0d06dc49f33470e070dda6e75144f964a446ef92d5053771bcb4fd77bc27","source":{"kind":"arxiv","id":"2502.03465","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.03465","created_at":"2026-07-05T10:32:39Z"},{"alias_kind":"arxiv_version","alias_value":"2502.03465v2","created_at":"2026-07-05T10:32:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.03465","created_at":"2026-07-05T10:32:39Z"},{"alias_kind":"pith_short_12","alias_value":"P37A2BW4JHZT","created_at":"2026-07-05T10:32:39Z"},{"alias_kind":"pith_short_16","alias_value":"P37A2BW4JHZTI4HA","created_at":"2026-07-05T10:32:39Z"},{"alias_kind":"pith_short_8","alias_value":"P37A2BW4","created_at":"2026-07-05T10:32:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:P37A2BW4JHZTI4HAODO2NZ2RIT","target":"record","payload":{"canonical_record":{"source":{"id":"2502.03465","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2025-02-05T18:59:52Z","cross_cats_sorted":["cs.AI","cs.GR","cs.MM"],"title_canon_sha256":"bc48c99a428d6794a16fde7e35bfef62e2aa88d520bce5e3ec167e324486ec8f","abstract_canon_sha256":"a8c5cef337467fedf1f85ebeaf17a92b371b09d4db3fd2bb93591e2bfb79f0bc"},"schema_version":"1.0"},"canonical_sha256":"7efe0d06dc49f33470e070dda6e75144f964a446ef92d5053771bcb4fd77bc27","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:32:39.020386Z","signature_b64":"5WC4TChSYTfpHllXeGBjzY/JOhPu/O1PqvWfHxGEkcV98LdJmdtG0P9s5YMABfWzpMaiQXPQzusZN5Hb7cmABA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7efe0d06dc49f33470e070dda6e75144f964a446ef92d5053771bcb4fd77bc27","last_reissued_at":"2026-07-05T10:32:39.019844Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:32:39.019844Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.03465","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:32:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hVe1S7tN7FvrctMDQiKHqlgG/rqZ2VAh3a8zL7+648oShegbwDoC4/+IoUOQBlkQwX6QLgmuym3IJXa6Nuy1Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T09:50:57.823066Z"},"content_sha256":"42e6f25c5cca016a959e7cf77a15f55e3610b4f639fcc1899b316812c2587c19","schema_version":"1.0","event_id":"sha256:42e6f25c5cca016a959e7cf77a15f55e3610b4f639fcc1899b316812c2587c19"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:P37A2BW4JHZTI4HAODO2NZ2RIT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Seeing World Dynamics in a Nutshell","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["cs.AI","cs.GR","cs.MM"],"primary_cat":"cs.CV","authors_text":"Hanwang Zhang, Mingbao Lin, Qiuhong Shen, Shuicheng Yan, Xinchao Wang, Xuanyu Yi","submitted_at":"2025-02-05T18:59:52Z","abstract_excerpt":"We consider the problem of efficiently representing casually captured monocular videos in a spatially- and temporally-coherent manner. While existing approaches predominantly rely on 2D/2.5D techniques treating videos as collections of spatiotemporal pixels, they struggle with complex motions, occlusions, and geometric consistency due to absence of temporal coherence and explicit 3D structure. Drawing inspiration from monocular video as a projection of the dynamic 3D world, we explore representing videos in their intrinsic 3D form through continuous flows of Gaussian primitives in space-time. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.03465","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2502.03465/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:32:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RCjWd9gzV7oU5CIvebxNCcCcG66G2lLIycfYkwr0zg0cNiYkcMgdfGo4Pq1KiAfbQnHc3NeO4Sj6URa/tEmxCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T09:50:57.823571Z"},"content_sha256":"ad4a4f66043fdfd8d512c5f721c61ba2b4c7132c24a55569d662c90f4b675627","schema_version":"1.0","event_id":"sha256:ad4a4f66043fdfd8d512c5f721c61ba2b4c7132c24a55569d662c90f4b675627"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P37A2BW4JHZTI4HAODO2NZ2RIT/bundle.json","state_url":"https://pith.science/pith/P37A2BW4JHZTI4HAODO2NZ2RIT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P37A2BW4JHZTI4HAODO2NZ2RIT/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-04T09:50:57Z","links":{"resolver":"https://pith.science/pith/P37A2BW4JHZTI4HAODO2NZ2RIT","bundle":"https://pith.science/pith/P37A2BW4JHZTI4HAODO2NZ2RIT/bundle.json","state":"https://pith.science/pith/P37A2BW4JHZTI4HAODO2NZ2RIT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P37A2BW4JHZTI4HAODO2NZ2RIT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:P37A2BW4JHZTI4HAODO2NZ2RIT","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"a8c5cef337467fedf1f85ebeaf17a92b371b09d4db3fd2bb93591e2bfb79f0bc","cross_cats_sorted":["cs.AI","cs.GR","cs.MM"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2025-02-05T18:59:52Z","title_canon_sha256":"bc48c99a428d6794a16fde7e35bfef62e2aa88d520bce5e3ec167e324486ec8f"},"schema_version":"1.0","source":{"id":"2502.03465","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.03465","created_at":"2026-07-05T10:32:39Z"},{"alias_kind":"arxiv_version","alias_value":"2502.03465v2","created_at":"2026-07-05T10:32:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.03465","created_at":"2026-07-05T10:32:39Z"},{"alias_kind":"pith_short_12","alias_value":"P37A2BW4JHZT","created_at":"2026-07-05T10:32:39Z"},{"alias_kind":"pith_short_16","alias_value":"P37A2BW4JHZTI4HA","created_at":"2026-07-05T10:32:39Z"},{"alias_kind":"pith_short_8","alias_value":"P37A2BW4","created_at":"2026-07-05T10:32:39Z"}],"graph_snapshots":[{"event_id":"sha256:ad4a4f66043fdfd8d512c5f721c61ba2b4c7132c24a55569d662c90f4b675627","target":"graph","created_at":"2026-07-05T10:32:39Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2502.03465/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We consider the problem of efficiently representing casually captured monocular videos in a spatially- and temporally-coherent manner. While existing approaches predominantly rely on 2D/2.5D techniques treating videos as collections of spatiotemporal pixels, they struggle with complex motions, occlusions, and geometric consistency due to absence of temporal coherence and explicit 3D structure. Drawing inspiration from monocular video as a projection of the dynamic 3D world, we explore representing videos in their intrinsic 3D form through continuous flows of Gaussian primitives in space-time. ","authors_text":"Hanwang Zhang, Mingbao Lin, Qiuhong Shen, Shuicheng Yan, Xinchao Wang, Xuanyu Yi","cross_cats":["cs.AI","cs.GR","cs.MM"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2025-02-05T18:59:52Z","title":"Seeing World Dynamics in a Nutshell"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.03465","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:42e6f25c5cca016a959e7cf77a15f55e3610b4f639fcc1899b316812c2587c19","target":"record","created_at":"2026-07-05T10:32:39Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"a8c5cef337467fedf1f85ebeaf17a92b371b09d4db3fd2bb93591e2bfb79f0bc","cross_cats_sorted":["cs.AI","cs.GR","cs.MM"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2025-02-05T18:59:52Z","title_canon_sha256":"bc48c99a428d6794a16fde7e35bfef62e2aa88d520bce5e3ec167e324486ec8f"},"schema_version":"1.0","source":{"id":"2502.03465","kind":"arxiv","version":2}},"canonical_sha256":"7efe0d06dc49f33470e070dda6e75144f964a446ef92d5053771bcb4fd77bc27","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7efe0d06dc49f33470e070dda6e75144f964a446ef92d5053771bcb4fd77bc27","first_computed_at":"2026-07-05T10:32:39.019844Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:32:39.019844Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5WC4TChSYTfpHllXeGBjzY/JOhPu/O1PqvWfHxGEkcV98LdJmdtG0P9s5YMABfWzpMaiQXPQzusZN5Hb7cmABA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:32:39.020386Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.03465","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:42e6f25c5cca016a959e7cf77a15f55e3610b4f639fcc1899b316812c2587c19","sha256:ad4a4f66043fdfd8d512c5f721c61ba2b4c7132c24a55569d662c90f4b675627"],"state_sha256":"f4c2397b1acc6349f77211be4c07868987768531b2af6cc435f618764cfd0673"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2QfmDg/Q5LG4t1KpunBCoxowq7WaHtlzlSMWYK9pF4pUezwy1sZ5XDOsakMvbRHQ3AxPS4iKe5XQVD6nO3X0CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T09:50:57.827760Z","bundle_sha256":"0a9b6d53c80fcbffdc1d4fab531907ea8d49a4e66055d97d275b4d5916915a77"}}